Home / 12,617.75-18,929.61-3,852.11

Finding the Fourth Proportional to 12,617.75, 18,929.61 and 3,852.11

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Solution

The fourth proportional to 12,617.75, 18,929.61 and 3,852.11 is: 5,779.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,617.75 : 18,929.61 = 3,852.11 : x
  2. Step 2: Convert to fraction form
    12,617.75/18,929.61 = 3,852.11/x
  3. Step 3: Cross multiply
    12,617.75x = 18,929.61 × 3,852.11
  4. Step 4: Simplify right side
    12,617.75x = 72,918,845.33
  5. Step 5: Solve for x
    x = 72,918,845.33/12,617.75
  6. Step 6: Final answer
    x = 5,779.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.